/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.solr.client.solrj.jetty;

import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Locale;
import org.eclipse.jetty.client.Authentication;
import org.eclipse.jetty.client.ContentResponse;
import org.eclipse.jetty.client.Request;
import org.eclipse.jetty.util.Attributes;

/** BasicAuthentication that does not care about uri and realm */
public class SolrBasicAuthentication implements Authentication {

  private final String value;

  public SolrBasicAuthentication(String user, String password) {
    this.value =
        "Basic "
            + Base64.getEncoder()
                .encodeToString((user + ":" + password).getBytes(StandardCharsets.ISO_8859_1));
  }

  @Override
  public boolean matches(String type, URI uri, String realm) {
    return true;
  }

  @Override
  public Result authenticate(
      Request request, ContentResponse response, HeaderInfo headerInfo, Attributes context) {
    return new Result() {
      @Override
      public URI getURI() {
        // cache result by host and port
        return URI.create(
            String.format(
                Locale.ROOT,
                "%s://%s:%d",
                request.getScheme(),
                request.getHost(),
                request.getPort()));
      }

      @Override
      public void apply(Request request) {
        request.headers(httpFields -> httpFields.add(headerInfo.getHeader(), value));
      }
    };
  }
}
